Advance Product Information
Subject to Change
VSC7111 Datasheet
Electrical Specifications
Table 51.
DC Characteristics, High-Speed Data Outputs (continued)
Parameter
Symbol Minimum Typical Maximum Unit Condition
Voltage swing, level 10 VOUT_10
900
1000
1130
1300
1450
1600
50
mV Differential
peak-to-peak
Voltage swing, level 11 VOUT_11
Voltage swing, level 12 VOUT_12
Voltage swing, level 13 VOUT_13
Voltage swing, level 14 VOUT_14
Voltage swing, level 15 VOUT_15
mV Differential
peak-to-peak
mV Differential
peak-to-peak
mV Differential
peak-to-peak
mV Differential
peak-to-peak
mV Differential
peak-to-peak
Back-terminated
Output resistance
ROUT_Y
40
60
Ω
From true or
complement to
AC ground
4.1.3
LVTTL/CMOS I/Os
The following table shows the DC specifications.
Table 52.
DC Characteristics, LVTTL I/O Signals
Parameter
Symbol Minimum Maximum Unit Condition
Input HIGH voltage
Input LOW voltage
Input HIGH current
Input LOW current
Output HIGH voltage
Output LOW voltage
VIH
VIL
IIH
1.7
0
VDD + 0.7
0.8
V
V
VDD = 2.5 V
VDD = 2.5 V
100
µA
µA
V
IIL
–100
VDD – 0.4
0
VOH
VOL
VDD
0.4
DC load < 500 µA
DC load < 2 mA
V
4.1.4
Power Supply Requirements
The following table shows the power dissipation assuming all four channels are used.
Table 53.
DC Characteristics, Power Requirements
Parameter
Symbol Typical Maximum Unit Condition
Power supply current,
Green mode
IDD
190
252
mA Drive level 2
INPLOW_PWR = 00
ODHIGHPOWER = 00
ODBOOST = 0
No input EQ or output PE
Power supply current,
full power mode
IDD
mA Drive level 2
INPLOW_PWR = 10
ODHIGHPOWER = 01
ODBOOST = 1
No input EQ or output PE
Revision 2.0
September 2010
Confidential
Page 45
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
